# define HEADER_X509_H
# include <openssl/e_os2.h>
+# include <openssl/opensslconf.h>
# include <openssl/symhacks.h>
# include <openssl/buffer.h>
# include <openssl/evp.h>
# include <openssl/ec.h>
# endif
-# ifdef OPENSSL_USE_DEPRECATED
+# if OPENSSL_API_COMPAT < 0x10100000L
# ifndef OPENSSL_NO_RSA
# include <openssl/rsa.h>
# endif